Plastic composition and method of making same.



.'tegrated 0.1'. powdered form, the' ingredients living thQif-Q-.ghly ground and 'Iiiii'flftcr sthlinto' tif-"very fine" powdered mixture which 1.1.1513? .thlfbe HiQStehf t0. Pfeiler' `consistency and treated as above'described.

. informing thisaniXtllre IV prefealily- 'the purestform ,of oxy-chlorid,y soasto lingy proportions give highly obtain a resulting mixturey normally clear Whit@ but which may betinted i'filelslrd- I have found in practice that vthe lproportions of the differentl ingredients may vbe Y considerablyy varied according to ythe ydesired use o'i'ithe resulting article, but thefollowfaCtOly r and results the manufacture of in backs and" similar articles? approxi,-

niatly' "50 parts .bY'Weight Qf' bleached medically dry, Xylwf-7 'approximately vl50 para' by `aight of'a Suitable 'dry' metallic oxid, preferably White' magnesium OXid, approximately 25 Parts byY Weight ef the chlorid oft-he metal and approximately. 4%

ofl gum camplior, and ifcdesired," approxi'- niatelyl()'partsy by weight ofbleached wood "joujr and also, if `des irefd,'a small y:quantity or .inertmatter approximately' of the same hardness yas the resulting article termed,

' such as cleanl kaoliny or silica. After this disclosure of my invention, it -will b e obvious to vthose skilled in the art that certain changes and substitutions may be made i'n carrying outmy invention with! out departing from the spirit thereof.` For. instance, if desired, the metallic chloridmay be added inthe formot' a solution tothe mixture of the `other ingredients, and if desired, any of the Well known oxychlorids such as those of barium, zinc or aluminum, orany compound ofthe 'different Oxy-chlorrids maybe used. f y

Articles` ymade from my new composition `in accordance with invention .may be manufactured cheaper than similar articles of Celluloid, bone or ivory, and they are not infiammable vas are celluloid articles.

Having thus. described my inventiomwhat 4 I ,desire to secure by Letters Patent is:

1..A.new composition of Ina'tte'rl comprising sulfite cellulose liquor? treated With a chloridic reagent `and then with -a precipitating agent adapted vto precipitate' therefrom Asulfur and calciumcompounds Y evaporated to 'a solid conditionV and then pulverized, a` small quantity of gum-camphor, and a suitable oXy-chlorid binding agent.

2. 'A new composition of matter comprising sulfite cellulose liquor treated lwitha rowderedgvegetble ber.. aufn' @maar Chlorid'@ reagent andthen 'with e Precipitatf mangent aimed' apreciada uga-effen sulur and"c`alcium compounds,l from which/the precipitates have lie-mt@ 1.0; .dy

dried' tof a solid* conditi@ and' aan@ d, and

an 'oXy-chlorid binding agent.

' new composltion'o'f 'matter consisttreated with a chloridic reagent and then With.' im.. agent for precipitating the S'utes therefrom; separated from such pretipit'ate,l

dried, and- Palrerized, powdered; esui'ted resemble ber, and f1 Small a'untlt'y 10i gum canlphrmxed' with el; @Xy-@blond binde ing agent.

.Vi-'Th .method `0f making a cement .C0111- posiaon minigolf-laas in" weiterlesen@ Cellulose liquor. with I"chloridi,c'ijei'llt and than with@ precipitating agent t0 Prcipitate therefrom sulfurA and" calcium compiunas, wahd'mag'safd 1am from said ptetes',"dryilissaidlquer t0 hard nuins therewith@ Smalleaetity Of gue @amber and oxyfchlorid agent 5.- Th@ method' Qfmakng Cement 00m* position which consists 'in treating sullite Cllulose liqilfr with a hllifdiilaeeut and then withy a' precipitating lagenty to "'precipif tate therefrom sulfur and 'calcium compounds, withdrawing said'liquor from said precipitates, drying said liquor to a hard precipitates, dryingsaid liquor to a hard resldium, p'ulye'rizmg sald residium, and

mixing therewith a. small quantity of gum camphor and adding powdered magnesium oxid and 4powdered magnesium chlorid.

ln tes'timony/whereof I aiiix my signa-- ture, in the presence of two subscribing Witnesses...

t f WALTER K. FREEMAN.

'Witnesses i y JNO. S. GEORGE, CLARENCE W'. HODGE. 

